Finding the Fourth Proportional to 146,150.86, 201,721.89 and 85,740.91

Step by Step Solution

1. Step 1: Write the proportion equation
   146,150.86 : 201,721.89 = 85,740.91 : x
2. Step 2: Convert to fraction form
   146,150.86/201,721.89 = 85,740.91/x
3. Step 3: Cross multiply
   146,150.86x = 201,721.89 × 85,740.91
4. Step 4: Simplify right side
   146,150.86x = 17,295,818,415.52
5. Step 5: Solve for x
   x = 17,295,818,415.52/146,150.86
6. Step 6: Final answer
   x = 118,342.23